Double screw laboratory compounder with two doses for powder Extrusion Granulator

Double screw laboratory compounder with two doses for powder Extrusion Granulator

Device overview

Twin screw/double screw compounding extruder is specially designed for compounding PE (LLDPE, LDPE, HDPE), PP, TPE and Copolymers such as SBS,Color batches,Filler modified resin and additives ( UV protection Materials, Modified, EVA, black carbon granule, flame-retardant granule.


The machine has excellent mixing performance, good self-cleaning performance and flexible modular configuration characteristivs which make them suitable for processing different types of material.


Different kinds of side doser is used to feeder different kinds or types of material. There is also doser to weight the additives material to make up a prescription.  



Application material and final products

masterbatch extrusion.jpg


Layout of the machine

two screw extrusion layout.jpg

Parameter of such kinds machine

SINGLE STAGE EXTRUSION LINE


ModelTSSK20TSSK35TSSK50TSSK65TSSK75TSSK95
Screw diameter (MM)21.735.650.562.471.291
L/D32~4028~48
Extruder speed (RPM)600400400/600400/500500/600500/600
Main Motor Power (KW)411/1537/45

55/75

90/110200/250
Capacity (KG)2~1010~8080~150250~400350~500800~1000


CUSTOMIZABLE SPECS OF THE LINE

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Machine details

feeder for twin screw.jpg

Extruder with Several Feeders

With special design of combination for screw and element, the plastic and additives will be well melted, plasticized and compounded. With the vacuum degassing system, volatiles such as low molecular and moisture will be removed efficiency. Then the final granules can be widely used in various fields. Each kinds of feeders can feed different material or additives, like granules and powders.

meterin doser feeder.jpg

Doser

Different designed of doser can feed all types of material, such as granules, powder and liquid. Mechanotronicas design, high accurately measure, stabillization feeding. Widely measure range.All process for material treatment is conducted in airproof environmenet, without rising dust.

gearbox for twin screw.jpg

Gearbox

Gearbox with Parallel tri-axial structure is combination of reduction and matrix. The gear is made of high quality alloy. It had been treated by cementation heat process, the precision grade can reach6th. It guarantees the tooth surface is high speed, overloading, low noise and high torque.

screw element.jpg

Screw 

Screw & elements: W6Mo5Cr4V2 (6542#) high speed tool steel that had been treated by the vacuum hardening process with the hardness of the surface is HRC58-62.Molding through dedicated grinding machine. The cleanliness is much better than products out of traditional process.

twin screw.jpg

Core Axle

Core axle: High quality alloy steel 40CrNiMo that with high tenacity and durability. It had been treated by the hardening and tempering process.

twin screw barrel.jpg

Barrel

The barrel is made of 45#forged steel with the abrasion-resistant alloy 101 (Ni-Fe-Cr-W) inside that smooth and abrasion resistant. The hardness is HRC60-64. And each section of barrel has its won fuction.

vacuum pump for vent.jpg

Vacuum Degassing

Usually the machine will be with one natural degassing and one vacuum degassing or double vacuum degassing. So that there will be less air bubble in the final pellets.

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